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Open AccessArticle

Evaluation of the CDOM Absorption Coefficient in the Arctic Seas Based on Sentinel-3 OLCI Data

1
P. P. Shirshov Institute of Oceanology of the Russian Academy of Sciences (SIO RAS), 117997 Moscow, Russia
2
Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
*
Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(19), 3210; https://doi.org/10.3390/rs12193210
Received: 7 August 2020 / Revised: 27 September 2020 / Accepted: 28 September 2020 / Published: 1 October 2020
Our work’s primary goal is to reveal the problematic issues related to estimates of the colored organic matter absorption coefficient in the northern seas from data of the Ocean and Land Color Instrument (OLCI) installed on the Sentinel-3 satellites, e.g., a comparison of the OLCI standard error assessment ADG443_NN_err relating to the measurement and the retrieval of the geophysical products and the uncertainties in the northern seas’ real situation. The natural conditions are incredibly unfavorable there, mainly due to frequent cloudiness and low sun heights. We conducted a comprehensive multi-sensor study of the uncertainties using various approaches. We directly compared the data from satellites (OLCI Sentinel-3 and four other ocean color sensors) and field measurements in five sea expeditions (2016–2019) using the different processing algorithms. Our analysis has shown that the final product’s real uncertainties are significantly (≥100%) higher than the calculated errors of the ADG443_NN_err (~10%). The main reason is the unsatisfactory atmospheric correction. We present the analysis of the various influential factors (satellite sensors, processing algorithms, and other parameters) and formulate future work goals. View Full-Text
Keywords: OLCI Sentinel-3; Barents; Kara Sea; absorption coefficient; uncertainties; field data OLCI Sentinel-3; Barents; Kara Sea; absorption coefficient; uncertainties; field data
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MDPI and ACS Style

Glukhovets, D.; Kopelevich, O.; Yushmanova, A.; Vazyulya, S.; Sheberstov, S.; Karalli, P.; Sahling, I. Evaluation of the CDOM Absorption Coefficient in the Arctic Seas Based on Sentinel-3 OLCI Data. Remote Sens. 2020, 12, 3210. https://doi.org/10.3390/rs12193210

AMA Style

Glukhovets D, Kopelevich O, Yushmanova A, Vazyulya S, Sheberstov S, Karalli P, Sahling I. Evaluation of the CDOM Absorption Coefficient in the Arctic Seas Based on Sentinel-3 OLCI Data. Remote Sensing. 2020; 12(19):3210. https://doi.org/10.3390/rs12193210

Chicago/Turabian Style

Glukhovets, Dmitry; Kopelevich, Oleg; Yushmanova, Anna; Vazyulya, Svetlana; Sheberstov, Sergey; Karalli, Polina; Sahling, Inna. 2020. "Evaluation of the CDOM Absorption Coefficient in the Arctic Seas Based on Sentinel-3 OLCI Data" Remote Sens. 12, no. 19: 3210. https://doi.org/10.3390/rs12193210

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